CA2054797A1 - Controle electromagnetique de cables metalliques - Google Patents

Controle electromagnetique de cables metalliques

Info

Publication number
CA2054797A1
CA2054797A1 CA002054797A CA2054797A CA2054797A1 CA 2054797 A1 CA2054797 A1 CA 2054797A1 CA 002054797 A CA002054797 A CA 002054797A CA 2054797 A CA2054797 A CA 2054797A CA 2054797 A1 CA2054797 A1 CA 2054797A1
Authority
CA
Canada
Prior art keywords
rope
locations
coils
variations
location
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA002054797A
Other languages
English (en)
Inventor
Nicolaas T. Van Der Walt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anglo American Corp of South Africa Ltd
Original Assignee
Nicolaas T. Van Der Walt
Anglo American Corporation Of South Africa Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nicolaas T. Van Der Walt, Anglo American Corporation Of South Africa Limited filed Critical Nicolaas T. Van Der Walt
Publication of CA2054797A1 publication Critical patent/CA2054797A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
CA002054797A 1990-11-07 1991-11-01 Controle electromagnetique de cables metalliques Abandoned CA2054797A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA90/8910 1990-11-07
ZA908910 1990-11-07

Publications (1)

Publication Number Publication Date
CA2054797A1 true CA2054797A1 (fr) 1992-05-08

Family

ID=25580379

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002054797A Abandoned CA2054797A1 (fr) 1990-11-07 1991-11-01 Controle electromagnetique de cables metalliques

Country Status (11)

Country Link
US (1) US5198765A (fr)
AT (1) ATA221191A (fr)
AU (1) AU641818B2 (fr)
BR (1) BR9104845A (fr)
CA (1) CA2054797A1 (fr)
DE (1) DE4136527A1 (fr)
FR (1) FR2668830A1 (fr)
GB (1) GB2250097A (fr)
IT (1) IT1250795B (fr)
TW (1) TW209918B (fr)
ZW (1) ZW15591A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5414353A (en) * 1993-05-14 1995-05-09 Ndt Technologies, Inc. Method and device for nondestructively inspecting elongated objects for structural defects using longitudinally arranged magnet means and sensor means disposed immediately downstream therefrom
US5751144A (en) * 1996-07-23 1998-05-12 Ndt Technologies, Incorporated Method and device including primary and auxiliary magnetic poles for nondestructive detection of structural faults
US6633159B1 (en) 1999-03-29 2003-10-14 Otis Elevator Company Method and apparatus for magnetic detection of degradation of jacketed elevator rope
US6265870B1 (en) 1999-09-02 2001-07-24 Ndt Technologies, Inc. Eddy current sensor assembly for detecting structural faults in magnetically permeable objects
GB0314747D0 (en) 2003-06-25 2003-07-30 Aea Technology Plc Detecting failures in flexible multristrand steel structures
GB0428138D0 (en) 2004-12-23 2005-01-26 Aea Technology Plc Detecting failures in flexible multistrand steel structures
DE102004063709B3 (de) * 2004-12-28 2006-07-13 Abus Kransysteme Gmbh Verfahren zur Abschätzung der Betriebsdauer eines Seils
US8085053B2 (en) * 2008-12-23 2011-12-27 Biosense Webster, Inc. Twisted-pair electrical cable testing
CN103003184B (zh) 2010-07-23 2016-01-20 因温特奥股份公司 电梯装置载体元件的无损检测
DE102018115847A1 (de) * 2018-06-29 2020-01-02 Sensitec Gmbh Verschleißüberwachungsvorrichtung und Kugelgewindetrieb
CN111310686B (zh) * 2020-02-25 2022-03-29 江西理工大学 一种ipso-bp神经网络的钢丝绳断丝损伤识别方法
CN113607803A (zh) * 2021-08-03 2021-11-05 天津城建大学 一种模拟桥梁绳索镀锌钢丝的损伤检测试验方法

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3378761A (en) * 1968-04-16 Unisearch Ltd Nondestructive testing device for testing wire ropes and similarly shaped objects
DE1032556B (de) * 1954-02-27 1958-06-19 Villamosipari Koezponti Kutato Vorrichtung zur kontinuierlichen Messung des Querschnitts von ferromagnetischen Prueflingen
BE755698A (fr) * 1969-09-03 1971-02-15 Anglo Amer Corp South Africa Essai par courant continu de cables et cordages
US3702934A (en) * 1969-10-01 1972-11-14 Picker Andrex X Ray As Apparatus for controlling equipment on a crawler displaceable inside a pipe
US3881151A (en) * 1974-01-07 1975-04-29 Kennecott Copper Corp Eddy current flaw detector comprising passing the test piece through an invarient magnetic field gradient and positioning sensor in the gradient
CA1038037A (fr) * 1976-05-06 1978-09-05 Noranda Mines Limited Dispositif d'essai magnetique pour detecter des defauts dans des objets de forme allongee
SU696369A1 (ru) * 1977-06-03 1979-11-05 Отдел Физики Неразрушающего Контроля Ан Белорусской Сср Устройство дл электромагнитного контрол механических свойств движущихс ферромагнитных материалов
GB2012966A (en) * 1977-10-06 1979-08-01 Health & Safety Executive Apparatus for non-destructive testing of elongate objects
CA1166696A (fr) * 1979-07-29 1984-05-01 Thomas J. Daley-Hall Controle non destructif d'articles ferromagnetiques
AU6069680A (en) * 1979-07-31 1981-02-05 Simpson, R.S. Non-destructive testing of ferromagnetic articles
GB2100440B (en) * 1981-06-11 1986-04-09 G Makeevsky Ni Magnetic flaw detector for steel wire ropes
GB2115558B (en) * 1981-07-28 1986-04-23 Inst Prikladnoi Fiziki Akademi Method and device for magnetic control of mechanical properties of moving lengthy ferromagnetic object
US4495465A (en) * 1982-05-03 1985-01-22 Rotesco Inc. Method and apparatus for non-destructive testing of magnetically permeable bodies using a first flux to saturate the body and a second flux opposing the first flux to produce a measurable flux
US4659991A (en) * 1983-03-31 1987-04-21 Ndt Technologies, Inc. Method and apparatus for magnetically inspecting elongated objects for structural defects
GB2140564B (en) * 1983-05-23 1986-10-22 Central Electr Generat Board Cable corrosion monitor
ZA871964B (fr) * 1986-03-25 1987-09-07
GB2203549B (en) * 1987-04-15 1991-05-01 Julian Marsden Carroll Metal corrosion detection
EP0286712A3 (fr) * 1987-04-16 1990-03-14 Westfälische Berggewerkschaftskasse Appareil pour examiner des câbles en fils d'acier ferromagnétique, en particulier de câbles d'extraction pour l'exploitation au fond
GB8714877D0 (en) * 1987-06-25 1987-07-29 Coal Industry Patents Ltd Non-destructive testing device
US4929897A (en) * 1987-11-23 1990-05-29 Crucible Societe Anonyme Method and apparatus for detecting cross sectional area variations in a elongate object by measuring radial magnetic flux variations using spaced-apart coils
US5036277A (en) * 1987-11-23 1991-07-30 Crucible Societe Anonyme Method of and apparatus for detecting cross sectional area variations in an elongate object by the non-inductive measurement of radial flux variations

Also Published As

Publication number Publication date
BR9104845A (pt) 1992-06-23
TW209918B (fr) 1993-07-21
GB9123258D0 (en) 1991-12-18
DE4136527A1 (de) 1992-05-14
AU641818B2 (en) 1993-09-30
ATA221191A (de) 1993-11-15
ITRM910842A1 (it) 1993-05-06
GB2250097A (en) 1992-05-27
ITRM910842A0 (it) 1991-11-06
ZW15591A1 (en) 1992-02-19
AU8706591A (en) 1992-05-14
FR2668830A1 (fr) 1992-05-07
IT1250795B (it) 1995-04-21
US5198765A (en) 1993-03-30

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Legal Events

Date Code Title Description
FZDE Discontinued